Timothy Caughman

"We are doing what we can to get ready," the lawyer added. "We will serve notice when we receive the proper information."

Brackley wrote in June that they’d hired forensic psychologist Mark Williams.

On Tuesday, Assistant District Attorney Joan Illuzzi turned over security video and documents to defense attorneys — who’d griped that prosecutors have been slow to release vital evidence.

Pictured is the knife used by Jackson to stab Timothy Caughman in the racially motivated attack.

(NYPD)

Jackson, who is charged with first-degree murder in furtherance of an act of terrorism and related charges, admitted he scoured the streets of the city looking for black men to kill before deciding on Caughman.